package com.example.tests;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;

import java.util.Random;

import org.testng.annotations.Test;

import com.example.utils.SortedListOf;

public class GroupModificationTests extends TestBase {
	
	 @Test(dataProvider = "randomValidGroupGenerator")
	  public void GroupModification(GroupData group) throws Exception {  
	    // save old state
		 SortedListOf<GroupData> oldList = app.getGroupHelper().getUiGroups();
	    
	    //random data
	    Random rnd = new Random();
	    int index = rnd.nextInt(oldList.size()-1);
	    
	    //actions
	    app.getGroupHelper().modifyGroup(index, group);
	    
	    //save new state
	    SortedListOf<GroupData> newList = app.getGroupHelper().getUiGroups();
	    
	    //compare states
	    assertThat(newList, equalTo(oldList.without(index).withAdded(group)));
	 }
}